Home / 325,299.20-487,946.10-88,641.50

Finding the Fourth Proportional to 325,299.20, 487,946.10 and 88,641.50

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Solution

The fourth proportional to 325,299.20, 487,946.10 and 88,641.50 is: 132,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,299.20 : 487,946.10 = 88,641.50 : x
  2. Step 2: Convert to fraction form
    325,299.20/487,946.10 = 88,641.50/x
  3. Step 3: Cross multiply
    325,299.20x = 487,946.10 × 88,641.50
  4. Step 4: Simplify right side
    325,299.20x = 43,252,274,223.15
  5. Step 5: Solve for x
    x = 43,252,274,223.15/325,299.20
  6. Step 6: Final answer
    x = 132,961.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.